The H.264 network DVR includes four cameras for recording ability and comprehensive monitoring. There is night vision as well. The cameras are high quality and weatherproof CCD 420TVL with IR night vision. The H.264 network DVR has a 320 GB of storage. This is ideal for your security footage requirements. Extension cables are included for every camera. H.264 network DVR supports remote view with smart phones that are based on Windows Mobile, Symbian S60 third and fifth edition, Blackberry and iPhone. H.264 network DVR also supports pentaplex operation, which means record, live view, backup, playback and network transmission. USB mouse is also supported. It supports DDNS, control of pan tilt zoom cameras, audio transmission via network and upgrade and backup with an USB flash disk. It also supports adjusting image color, editing camera title, and VGA output. With H.264 network DVR you will have a selectable packing time for recorded files. Before using the H.264 network DVR read the H.264 network DVR user manual very carefully, so that you are able to learn all the features and functions well. H.264 network DVR has a smart motion detection and recording schedule. An alarm will alert you if the HDD is full, the HDD is lost, the video is lost and for a detected motion.